Wikimedi'Òc

Willy Stöwer - Sinking of the Linda Blanche out of Liverpool.jpg - Adam Cuerden

Our wonderful navy; the story of the sure shield in peace and war (1919) (14763217294).jpg - Fæ

Ce dessin montre les hommes du sous-marin U-9 acclamés par les marins (allemands) dans le port (avec des navires de guerre) - btv1b69323574.jpg - Gzen92Bot

German submarine uses grenades to sink an merchant ship.png - Anatol Svahilec

English steamer "Melanie", stopped by a German submarine east of Malta opened fire under the Dutch flag after sending out a boat and tried to ram the submarine, January 17, 1916.png - Anatol Svahilec

German submarine under sail in the Atlantic Ocean.png - Anatol Svahilec

A heavily secured English convoy travelling in a double line is attacked by a German submarine.png - Anatol Svahilec

SM U-43 (Germany) - equipment for long-distance voyages in the home port.png - Anatol Svahilec

SM U-43 (Germany) - sharp lookout in the North Sea.png - Anatol Svahilec

SM U-43 (Germany) - cruising the North Sea.png - Anatol Svahilec

SM U-43 (Germany) - sinking of the Russian steamer “Tourgai”, 3 October 1916.png - Anatol Svahilec

Attack of German submarines on Dover on 12 January - The submarines before entering the harbour had their presence detected by searchlights and they retreated before the fire of the English batteries.png - Anatol Svahilec

German submarine takes on torpedoes before leaving on the open sea.png - Anatol Svahilec

"Abandon the ship!" - U-67 sinking SS Headley (Willy Stöwer).png - Anatol Svahilec

Johannes Spieß.jpg - Benzekre

Bombardment of the port of Alexandrovsk, the end point of the Russian Murmansk Railway by the Arctic Ocean, by a German U-boat, 1916.png - Anatol Svahilec

RESCUE OF THE CREW OF A SINKING GERMAN SEA-RAIDER, 1914.png - Anatol Svahilec

LONDON COLLIER WANDLE SUCCESSFULLY ENGAGING A GERMAN SUBMARINE IN THE NORTH SEA ON APRIL 29th, 1916.png - Anatol Svahilec

Having torpedoed the Karnak, November 27th, 1916, the pirates turned searchlights on to watch her death agony.png - Anatol Svahilec

Torpedoed by the enemy and set on fire - Air photograph of the steamer Audax by SM UB-80.png - Anatol Svahilec

Le sous-marin allemand Deutschland - btv1b53067943w.jpg - Gzen92Bot